Timken - Saf Split-Block Housed Units

Timken ® SAF SPLIT-BLOCK HOUSED UNITS
Engineering • Fitting Practice Tables
These charts are guidelines for specifying shaft and housing fits related to particular operating conditions in table D-6 on page D-15.
Bearing Bore m6 n6 p6 r6 r7
Nominal (Max.)
Shaft Dia.
Shaft Dia.
Shaft Dia.
Shaft Dia.
Shaft Dia.
Tolerance (1)
Fit
Fit
Fit
Fit
Over Incl. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min.
mm
in.
mm
in.
mm
in.
Table D-8. Spherical Roller Bearings - Shaft Tolerances (classes m6, n6, p6, r6, r7)
mm
in.
mm
in.
mm
in.
0.009T
30.000 50.000 -0.014 +0.025 +0.009 0.037T
1.1811 1.9685 -0.0006 +0.0010 +0.0004 0.0004T
0.0145T
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
– – – – – – – – – – – –
0.011T 0.020T
50.000 80.000 -0.015 +0.030 +0.011 0.045T +0.039 +0.020 0.054T
1.9685 3.1496 -0.0006 +0.0012 +0.0004 0.0004T +0.0015 +0.0008 0.0008T
0.0018T 0.0021T
0.013T 0.023T 0.037T
80.000 120.000 -0.020 +0.035 +0.013 0.055T +0.045 +0.023 0.065T +0.059 +0.037 0.079T
3.1496 4.7244 -0.0008 +0.0014 +0.0005 0.0005T +0.0018 +0.0009 0.0009T +0.0023 +0.0015 0.0015T
0.0022T 0.0026T 0.0031T
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
– – – – – – – – –
0.015T 0.027T 0.043T 0.065T
120.000 180.000 -0.025 +0.040 +0.015 0.065T +0.052 +0.027 0.077T +0.068 +0.043 0.093T +0.090 +0.065 0.115T
4.7244 7.0866 -0.0010 +0.0016 +0.0006 0.0006T +0.0020 +0.0011 0.0011T +0.0027 +0.0017 0.0017T +0.0035 +0.0026 0.0026T
0.0026T 0.0030T 0.0037T 0.0045T
0.017T 0.031L 0.050T 0.077T
180.000 200.000 -0.030 +0.046 +0.017 0.076T +0.060 +0.031 0.090T +0.079 +0.050 0.109T +0.106 +0.077 0.136T
7.0866 7.8740 -0.0012 +0.0018 +0.0007 0.0007T +0.0024 +0.0012 0.0012L +0.0031 +0.0020 0.0020T +0.0042 +0.0030 0.0030T
0.0030T 0.0036T 0.0043T 0.0054T
Fit
mm
in.
– – – – – –
– – –
– – –
0.017T 0.031L 0.050T 0.080T 0.080T
200.000 225.000 -0.030 +0.046 +0.017 0.076T +0.060 +0.031 0.090T +0.079 +0.050 0.109T +0.109 +0.080 0.139T +0.126 +0.080 0.156T
7.8740 8.8583 -0.0012 +0.0018 +0.0007 0.0007T +0.0024 +0.0012 0.0012L +0.0031 +0.0020 0.0020T +0.0043 +0.0031 0.0031T +0.0050 +0.0031 0.0031T
0.0030T 0.0036T 0.0043T 0.0055T 0.0062T
0.017T 0.031L 0.050T 0.084T 0.084T
225.000 250.000 -0.030 +0.046 +0.017 0.076T +0.060 +0.031 0.090T +0.079 +0.050 0.109T +0.113 +0.084 0.143T +0.130 +0.084 0.160T
8.8583 9.8425 -0.0012 +0.0018 +0.0007 0.0007T +0.0024 +0.0012 0.0012L +0.0031 +0.0020 0.0020T +0.0044 +0.0033 0.0033T +0.0051 +0.0033 0.0033T
0.0030T 0.0036T 0.0043T 0.0056T 0.0063T
0.020T 0.034T 0.056T 0.094T 0.094T
250.000 280.000 -0.035 +0.052 +0.020 0.087T +0.066 +0.034 0.101T +0.088 +0.056 0.123T +0.126 +0.094 0.161T +0.146 +0.094 0.181T
9.8425 11.0236 -0.0014 +0.0020 +0.0008 0.0008T +0.0026 +0.0013 0.0013T +0.0035 +0.0022 0.0022T +0.0050 +0.0037 0.0037T +0.0057 +0.0037 0.0037T
0.0034T 0.0040T 0.0049T 0.0064T 0.0071T
0.020T 0.034T 0.056T 0.098T 0.098T
280.000 315.000 -0.035 +0.052 +0.020 0.087T +0.066 +0.034 0.101T +0.088 +0.056 0.123T +0.130 +0.098 0.165T +0.150 +0.098 0.185T
11.0236 12.4016 -0.0014 +0.0020 +0.0008 0.0008T +0.0026 +0.0013 0.0013T +0.0035 +0.0022 0.0022T +0.0051 +0.0039 0.0039T +0.0059 +0.0039 0.0039T
0.0034T 0.0040T 0.0049T 0.0065T 0.0073T
0.021T 0.037T 0.062T 0.108T 0.108T
315.000 355.000 -0.040 +0.057 +0.021 0.097T +0.073 +0.037 0.113T +0.098 +0.062 0.138T +0.144 +0.108 0.184T +0.165 +0.108 0.205T
12.4016 13.9764 -0.0016 +0.0022 +0.0008 0.0008T +0.0029 +0.0015 0.0015T +0.0039 +0.0024 0.0024T +0.0057 +0.0043 0.0043T +0.0065 +0.0043 0.0043T
0.0038T 0.0045T 0.0055T 0.0073T 0.0081T
(1)
Tolerance range is from +0 to value listed.
NOTE: Tolerance and shaft diameters are shown in the table as variances from nominal bearing bore.
Continued on next page.
D-20 TIMKEN ® HOUSED UNIT CATALOG